Update junitxml plugin to the latest version to avoid recompilation in every SBT command.

Author: Reynold Xin <[email protected]>

Closes apache#104 from rxin/junitxml and squashes the following commits:

67ef7bf [Reynold Xin] Update junitxml plugin to the latest version to avoid recompilation in every SBT command.

Author: rxin

project/plugins.sbt

@@ -19,3 +19,4 @@ addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.7.4")
 
 addSbtPlugin("org.scalastyle" %% "scalastyle-sbt-plugin" % "0.4.0")
 
+addSbtPlugin("com.alpinenow" % "junit_xml_listener" % "0.5.0")